Side by side comparison and review of Intel Core i7 620M and Intel Core i7 640M. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Intel Core i7 620M | Intel Core i7 640M |
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| Product Type | Processor (mobile) | Processor (mobile) |
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| PROCESSOR | Intel Core i7 620M | Intel Core i7 640M |
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| Type | Intel Core i7 620M | Intel Core i7 640M |
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| ARCHITECTURE |
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| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | 1288-ball BGA | 1288-ball BGA |
| Compatible Processor Socket | - | PGA988 Socket |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 35 W | 35 W |
| Thermal Specification | 105 °C | - |
| PCI Express Revision | 2.0 | 2.0 |
| PCI Express Configurations | 1x16 | 1x16 |
| PCI Express Lanes Qty | 16 | 16 |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access, Intel Flex Memory Access, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States, Intel VT-x with Extended Page Tables (EPT) | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access |
| PERFORMANCE |
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| Number of Cores | Dual-Core | Dual-Core |
|---|---|---|
| Number of Threads | 4 threads | 4 threads |
| Clock Speed (Frequency) | 2.66 GHz | 2.8 GHz |
| Max Turbo Speed | 3.33 GHz | 3.46 GHz |
| Bus Speed | 667 MHz | 667 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
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| Cache | 4 MB | 4 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 4 MB | L3 - 4 MB |
| Installed Size | 4 MB | 4 MB |
| RAM |
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| Installed RAM Size | 4 MB | - |
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| INTEGRATED GRAPHICS (GPU) | Intel Core i7 620M | Intel Core i7 640M |
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| Type | Intel HD Graphics with Dynamic Frequency | Intel HD Graphics with Dynamic Frequency |
|---|---|---|
| Base Frequency | 500 MHz | 500 MHz |
| Max Dynamic Frequency | 766 MHz | 766 MHz |
| Features | Dual Display Capable, Intel FDI, Intel Clear Video Technology, Intel Clear Video HD Technology | Dual Display Capable, Intel FDI, Intel Clear Video Technology, Intel Clear Video HD Technology |
| EXPANSION & CONNECTIVITY | Intel Core i7 620M | Intel Core i7 640M |
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| Compatible Slots | 1 x processor | 1 x processor |
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| MISCELLANEOUS | Intel Core i7 620M | Intel Core i7 640M |
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| Service & Support | - | Limited warranty - 3 years |
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